#include <iostream>

using namespace std;

int main(){
    cout << "sizeof(int) = " << sizeof(int) << ", sizeof(long) = " << sizeof(long) 
         << ", sizeof (char) = " << sizeof(char) << ", sizeof(float) = " << sizeof(float) 
         << ", sizeof(double) = " << sizeof(double) << endl;
    cout << endl << 1.23456e+2 << ", " << 1.23456e2 << endl;
    return 0;
}
